An inept alien spy poses as a grammar-school student to scout Earth for an invasion by planet Irk. ZIM's feckless efforts to gather information soon capture the attention of his nosy classmate Dib, a youngster who's obsessed with the paranormal.

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Season 1, Episode 1 The Nightmare Begins

First Aired: March 30, 2001

Dedicated Irken soldier ZIM is sent on a secret mission to Earth, where he disguises himself as an elementary-school student and gathers information about human beings. His plan is moving smoothly until an extraterrestrial-obsessed classmate named Dib takes notice of ZIM's green skin and missing ears. Voices include Richard Horvitz, Andy Berman and Melissa Fahn. Created by Jhonen Vasquez.

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Premise: An inept alien spy poses as a grammar-school student to scout Earth for an invasion by planet Irk. ZIM's feckless efforts to gather information soon capture the attention of his nosy classmate Dib, a youngster who's obsessed with the paranormal.
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